OpenTechnical

OT-2026-000044208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000044208) never changes.

Identity and time

Publication numberOT-2026-000044208 · never reused
Internal UUID01a0ae7b-d67b-797a-8d37-a2d948987440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044208
StatusPUBLIC

Content hashes

Canonical text51ac3bc8740247a2a73c2fe1d9097137bebbdecf9cb81516a4057e638522d199
Markdown93c84c8e3fd167eb61f81ee1b826f264123739faeefb9148911192a98ff3906d
PDF
Publication pagea18426dab1ef88136e97b459a840fd439f1c2c38c88365ad097195241002e06d
Manifest66111ee954ca0d69ee0cd51fb80cd6e22bdcea75b0c20dc913b46d12d3185492

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWlEIbbDiUt9mO/WkPblWi+4Mv2dtktt+a5b6OII52xjgYAaSV7q7cJBkGsnwM5RmSZgWc0jfHHpMVq9pTtfHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:45.743823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044208
observed a18426dab1ef88136e97b459a840fd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.723000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044208/manifest.json
observed 66111ee954ca0d69ee0cd51fb80cd6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.702738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044208/publication.md
observed 93c84c8e3fd167eb61f81ee1b826f264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.682615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044208/publication.txt
observed 51ac3bc8740247a2a73c2fe1d9097137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.